The Lemont limestone story begins eons before there was a Chicago with a Water Tower and Holy Name Cathedral, both built with locally mined stone that slowly turns from white to yellowish. Four ...
Banner image: Wil Srubar holds a sample cube of concrete that contains biogenic limestone produced by calcifying macro- and microalgae. (Credit: Glenn Asakawa/CU Boulder) Global cement production ...
One of the main reasons to choose a natural stone fireplace surround is the high level of heat resistance and durability, as these factors help to ensure the fireplace will remain in good condition ...
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